Seeding attachment for cultivators



Jan. 17, 1928. 1,656,831

w. ROHLFSEN SEEDING ATTACHMENT FOR CULTIVATORS Filed March 25. 1926 Z700en for' Patented Jan. 17, 1928.

` UNITED iSTA'llhlS resten tartar Wimmer nontrsan, or ranuras., Iowa.

SEEDING ATTACHIJIENT Flt CULTIVTRS.-

Application iiicd March 26, 19261 Serial No, Sl',5'G`.

f corn, such drilling beingI done simultaneousiti :lli

l ,with the cultivatinri operation.

An ob'ect ot ini invention is to .irovidef auch an attacluim t which oitsimple, durable `and inexpensiveconstruction and which may be applied tothe ordinary` cultivator trarneivvithout the necessityot drilling holesinthe frame, and with 'a minimum amount ot timeand labor.

A further object of my invention is to provide suchV seeding attachmentwhich is driven by a chain and sprocket connection with the Wheelot thecultivator, the operating' shaft ot the seeding` attachment being`supported' partially in the hopper thereof and partially by a verticallyadjustable bracket, which also serves, by vertical adjustment, totighten the chain.

More particularly, it is my object to provide a seedingv or diillingrattachment tor a disc cultivator, said attachment including' a seeddelivery nozzle, so mounted adjacent the innerltace ot 'theinner disc ofone ot the disc gangs that it can'be adjusted vertically, laterally andangulai'ly.

`With these and other objects in viei'v, my K invention'consists in theconstruction, arrangement and combination ot the various parts o'f'mydevice, whereby the objects con tcinplated are attained, as hereinaftermore fully set torth, pointed out in my claims and illustrated in theaccompanying drawings, in which:

Fig. 1 is a perspective view of portions ot 1 a cultivator. viewed fromthey rear and shown in dotted lines, my attachment being;

the relative positions ot t ie discs, seed nozzle and corn row in theoperation ot my device.

Before proceeding; With a detailed description of my structure, willgive a briefl explanation oi the advantagesot drilling a toragecropdgrectlyv 'in the rows ot the par'- tiallyunatured cereal erop.

Double planting has been observedl in` manywvays-in the eiilcrt toobtain more intensive cultivation ot tarin lands, and has. beenaccomplished .in various Ways. The most common is to lag7 by thelirstcrop with atinal cultivation and then to replant be. tween the rowswith the original planter..

lt is obviously unV advantage to replant siniultaneouslj,T with thecultivating operationsinceone operation is thus eliminated. It `is aiturther advantage to replant directly inthe rows since by doing so-thecerealcrop andthe i'oragije crop may beharvested in one y operation, thestalks ot `the' forage crop being so intertwined with those of thetaller plants oil' the original growth as to be readilv secured by acorn binder orthe like.

For instance, soybeans, Sudan grass, or any` of the` smaller forage`plants may be very successfully7 reaped V*by a corn bindery when growingin the roivs of corn stalks. Since soy beans and `Sudan `grass nurturein a much shorter period than corn, the later planting;l obtains auniiorin qualitg7 as Afodder in` both the first and second crops.

lily invention is therefore pa rt-icularli7 directed to the inplanting'directly1 in the origiIialroivs, or as close thereto as the growing cropwill permit.

To this end l` iind. that by. using` a disc cultivator together with aplantiifignozzle,`

positioned adjacent the inner tace ofthe inner disc, that the nozzle maybe usedy which will dig a turiovv ot its ovm, and that the disc Willclose this furrow behind the nozzle when iuhiisted to the proper angle.

l have used the retcrence character 10 to p indicate the transverse axleshaft ot a cultif valor.J which shaft is provided with a doivnlll() Thecultivator further includes a disk trame including an arch, 1"?, iroinwhich is supported one of thegangrsot discs, 18, by

means ot' a U-shaped bracket, 19. The connection between the arch, .17,and the cultivator frame is not illustrated, but it `will` tit) withsockets, 9.1, shaped to lit the axle shaft,A

l0. Clamps, Q2, are securedto the lower edges oil the sides. 20,andencircle the shaft,

l0, to secure the hopper thereto.

in order to prevent tipping,I ol' the hopper relative to the shalt, 1Q,l provide a brace rod, Q3, secured at one end to the bolt,`16, and atits other end to a bracket,'2-l, 'fastened to the forward side, 25, oitthe hopper. The sides, are held in place between the ends, 20, by nieansof a bolt, 26; The brace rod, Q3. is adjustably mounted in the bracket,9A, by ineans of nuts. 27, threaded onto the threaded end, 28, of therod.

Secured to the bottoni, 29, of the hopper is a seed cup, 30. The squaredoperating shaft, 31, is journaled in the side, 20, reinote troni theWall, 13, and extends through a slot, 31-, in the other side member, 20,and to a point beyond the outer extremity oit the axle shaft, 10, Whereit is supported by a bracket, 82, which will be described more in detaillater.

A. tluted delivery cylinder, 33, is slidably mounted on the squaredshaft, 31, with the cup.;` 30, and is rotated thereby 'in the directionoi' the arrow, 34, to deliver seed from the cup through the opening, 35,into the funnel, 36, of a conducting tube, 3T. These .parts are of usualgrain drill construction,r as `is also the sliding gate, 38,Whichregulates the ainount of seed delivered` from the hopper. The gate,38,`is adlinstable longitudinally uponthe shaft, 31, by means of alever, 39, pivoted ate() to the rear side, 25, of thehopper and having abi'lurcated arni, 411, extending under the bottoni of the hopper andengaging the sectional channeled portion, 42, of the gate, 38. A notchedsector, 43, engages the lever, 39, to retain it in any ot' its adjustedpositions.

`On the further end oit the shai'nl, is secured a trunnion, L14, uponwhich is journaled a sprocket, 115, having the crown ratchet teeth, 46.f

A clutch element, @his secured to the shaft, 31, and has crown ratchetteeth, 48, interengaging With the teeth, 4G. A link, L19, is journaledin an annular slot, 50, in the clutch element, 47, and has a `projectingstud, 51, which receives the end of a. link", 52, linked at its otherend to acontrol lever, 53. The lever, 58, is locked in either of its twopositions by a keeper, 5e.

A drive sprocket, 55, is secured to the i Wheel, 13 by means ofU-bolts,`56,`passed through any of the series of the openings, 57, andengaging the spokes, 58,; of the wheel. ,fr chain, 59, travels betweenthe sprockets, 55 `and 15. The tension oit the chain serves to urge theteeth, t16, of the sprocket into engagement with the clutch member, 17,when it is in the position shown I0 in Fig. 1. By moving the lever, 53,to the lct't, to the other side oif the keeper, 511, the clutchmember-,117, will slide upon tl a shalt, 31, to a position where theclutch teeth will be disengaged. The sprocket` will be maintained inenact alignment with the sprocket, 55, by the tension oil the chain, andthus will not itollovv the clutch ineniber, el?. Consequently, 1when thelever, 53, is nioved to its leit position, the sprocket, a5, HU will beallowed to rotaieivithout rotating the shaft, 31. i

However, when the cultivator is being backed, it is undesirable to havethe shaft, 31, rotateysince the seed ivoiilld be delivered 55 byrotation ot the cylinder, 33, in either direction, and it is only whenthe cultivutor is prcgi-essuier forwardly that it is desired to deliverthe seed. i

A spring, 53"', is interposed between a Washer, 53h, secured to the rod,552, and a loop. 53, on the lever, 53. The rod, 52, has f a liatlcned,slotted portion, 53, sliding in the loop, 53, and on a pin 53, which isrcceived through the slot ot the portion, 52N. lVhcn backing, theinclined laces of the teeth, iti and 18, will torce the clutch incur beraway from engagement with the sprocket and the consequent movement etthe rod, 52, i 'ill be taken up by the spring, 53". W

The bracket, 32, has the bearing head, GU, which surrounds a truiinion,G1, on the shalt, 81, andK is held against f lisplacelnent longitudinally of the sli al't,:lfl, by ineens ol'` collars, `(3Q, securedtolthe shalt. The bracket, 32, serves not only to support the shaft, 3l,

lill

`together with the bearing of the side mehr bers, Q0, oithe hopper, butserves the furl ther function et ,tightening the chain, 55h To this endl secure the bracket, 3Q, to the crafnlr arm, l1, by means oi a U-shapedbolt clamp, G3, embracing; the crank arm and the bracket.

It will non' be seen that the braclfiet, may be slid vertically upon thecrank arni and secured in any of its vertically adjusted positions byti,gfhtcningl the clamps, G3. *The bearing,` in the side, 20, allowssuilicent play of the shaft, 31, to taire care oi" this slight change ininclination.

To the loiver end of the conducting1 tube, 37, is secured the seeddelivery nozzle, titi, preferably oi hollow cust construction andhavingI '.1 pointed lower end, (5T, which is open at the rear as atA(iti to allow the seeds to escape.

AThe pointed end, 67, or digging point ol the nozzle is adapted to enterthe earth near the forward edgje oi the inner disc, 1S, as shown in Fig.6. In order to adjust the lll) lill] lill) nozzle to meet the adjustmentof the disc, 1S,` l provide the following supporting mechanism.

An Lshaped supporting arm comprises a bar, 69, having a depending arm,70, pro- 'vided with transverse slots, 71. Screw bolts or the like, 7i2, are passed through the slots,

71, and threaded into openings (not shown) in the nozzle, 66. The slots,71, are spaced equi-distant and the screw bolts, 72, are spaced so as tobe received in any of several pairs ot slots whereby the height of thenozzle may be adjusted. At the same time, the slots being elongated, itwill be seen that the nozzle, 66, may assume any ot several angularpositions in the plane of the supporting member.

The nozzle may be adjusted bodily latorally of the cultivator byshifting the bar, 69. To this end l provide a horseshoe shaped stopmember, 73, which is secured to the bar, 69, by a bolt, 7a, extendingthrough an oit several openings, 75, in the bar, 69. U-bolt clamps, 7 6,encircle thev bracket, 19, at the upper corners thereof and the bar, 69,and stop member, 73. The legs of the stop member prevent longitudinalmovement of the bar, 69, relative to the bracket, 19, since these legsare engaged against the U-bolt clamps, 76. V

Although l have shown, tor the purpose ot better illustration, thesupporting member in F ig. 1 as being secured to the rear 'tace oi' thebracket, 19, it will be preferably secured to the forward face thereofby simply reversing the arrangement of the three elements, 79, 73 and19, in which position the legs ot the stop member, 73, will be engagedagainst the legs ot the bracket, 19, so

as to prevent twisting movement of the bar,`

69, due to pressure against the lower end of the nozzle, 66, in arearward direction.

The digging point, G7, provides a furrow for the seed dropped throughthe opening, G8, and theinner disc, 18, being properly ad- `iusted tothe angular position shown in Fig. 6 will close the furrow behind thenozzle.

rl`he nearness which may be obtained in planting the seed adjacent therows of standing corn is only limited by the distance necessarytoprevent uprooting of the corn, and it will be seen that since the nozzleis supported on the inner side of the disc, which, in the ordinarycultivator approaches within a iiew inches oi the row ot corn when thediscs are in position tor laying by the corn by throwing the dirtinwardly, that the proper depth and nearness may be o1 tained.

Some changes may be made in the construction and arrangement of theparts of my invention without departing from the real spirit and purposeof my invention, and it is my intention to cover by my claims anymodiiied forms of structure or use` of mechanical equivalents which maybe reasonably included within their scope.

I claim as my invention:

1. In a seeding attachment tor afcultivator having a transverse axleshaft and' a longitudinal trame member, a hopper having end membersprovided with'sockets adapted to receive the cultivator axle shaft,clamps for securing the end members in engagement with said shaft, abracket secured to the hopper, a brace secured to said bracket andhaving a portion extended through an arm of the bracket, said portionbeing threaded and nuts threaded upon said portion on either' side ofthe arm to provide tor a longitudinal adjustment ot the brace relativeto the bracket, said brace being secured to said frame member a pointspaced from the shaft, to maintain the hopper in rigid rela tion to theshaft.

2. In a seeding attachment for a disc cultivator and havlng discssupported by a disc bracket, a seed delivery nozzle having a diggingpoint, and means for mounting said nozzle on the disc bracket, saidmeans'comprising a bar having a depending arm supporting the nozzle, astop member' attachable to the bar in any ot several positions spacedlongitudinally theerof, and conforming to the shape ot the bracket, andclamps encircling the bar, the stop member, and the bracket.

3. In a seeding attachment for a disc cultivator-and having discssupported by a disc bracket, a seed delivery nozzle having a diggingpoint, and means for mounting said nozzle on the disc bracket, saidmeans comprising a bar having a depending arm provided with a pluralityoil transverse slots, and screws receivedk in said slots and threadedinto the nozzle to support the same in any of several vertical andvaried angular positions.

4. A seeding attachment for a cultivator having a plurality of discsadapted to throw soil in one direction including a seed-deliveringnozzle having a digging point, said nozzle being mounted between theinner disc and the row to be cultivated, said nozzle being positionedclosely adjacent said inner disc and forwardly of the center ,thereofwhereby to cut its own furrow` and to have said furrow covered by theinnerdisc.

Signed at Sioux City, in the county of Woodbury and Stat-e of Iowa, this6th day' of March, 1926.

WILLIAM ROHLFSEN.

